Finding the Fourth Proportional to 11,043.07, 16,562.79 and 5,119.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,043.07 : 16,562.79 = 5,119.72 : x
2. Step 2: Convert to fraction form
   11,043.07/16,562.79 = 5,119.72/x
3. Step 3: Cross multiply
   11,043.07x = 16,562.79 × 5,119.72
4. Step 4: Simplify right side
   11,043.07x = 84,796,847.22
5. Step 5: Solve for x
   x = 84,796,847.22/11,043.07
6. Step 6: Final answer
   x = 7,678.74